US3345931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venturi ejector including automatically movable disc members
Assignee: Gulf Research and Development Co
•
Filing: 1966-09-12
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Granted: 1967-10-10
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Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Bruce R Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:04
CPC Classifications
F; F23; F23L; F23L17/00; F23L17/02; Y; Y10; Y10S; Y10S415/00; Y10S415/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN APPARATUS COMPRISING A PAIR OF CONVEX MEMBERS, MEANS FOR MAINTAINING SAID MEMBERS IN SPACED-APART RELATIONSHIP WITH THE CONVEX SURFACES FACING EACH OTHER, MEANS FOR PERMITTING AUTOMATIC LINEAL MOVEMENT OF AT LEAST ONE OF SAID MEMBERS RELATIVE TO THE OTHER RESPONSIVE TO THE MOVEMENT OF THE SURROUNDING ATMOSPHERE, THE CONVEX CENTRAL REGIONS OF SAID MEMBERS FACING EACH OTHER IN SPACED-APART RELATIONSHIP TO FORM A CIRCULAR VENTURILIKE THROAT THEREBETWEEN AND ONE OF SAID MEMBERS HAVING OPENING MEANS AT THE CENTRAL REGION THEREOF.
Claim 2
Independent Claim
81 words
AN APPARATUS COMPRISING A PAIR OF CONVEX MEMBERS, MEANS FOR MAINTAINING SAID MEMBERS IN SPACED-APART RELATIONSHIP WITH THE CONVEX SURFACES FACING EACH OTHER, MEANS FOR PERMITTING AUTOMATIC LINEAL MOVEMENT OF AT LEAST ONE OF SAID MEMBERS RELATIVE TO THE OTHER RESPONSIVE TO THE MOVEMENT OF THE SURROUNDING ATMOSPHERE, THE CONVEX CENTRAL REGIONS OF SAID MEMBERS FACING EACH OTHER IN SPACED-APART RELATIONSHIP TO FORM A CIRCULAR VENTURILIKE THROAT THEREBETWEEN AND ONE OF SAID MEMBERS HAVING OPENING MEANS AT THE CENTRAL REGION THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |